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LOCKSS Archive
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In Progress
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2026-02-09
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Portico
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Preserved
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2026-02-12
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Preserved : 1989: 1(1-4), 1990: 2(1-4), 1991: 3(1-6), 1992: 4(1-6), 1993: 5(1-6), 1994: 6(1-6), 1995: 7(1-6), 1996: 8(1-6), 1997: 9(1-6), 1998: 10(1-6), 1999: 11(1-6), 2000: 12(1-6), 2001: 13(1-6), 2002: 14(1-4), 2003: 15(1-4), 2004: 16(1-4), 2005: 17(1-4), 2006: 18(1-4), 2007: 19(1-4), 2008: 20(1-4), 2009: 21(1-6), 2010: 22(1-6)
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CLOCKSS Archive
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Preserved
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2026-02-09
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1 to 38
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National Library of the Netherlands
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Preserved
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2024-12-15
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Preserved : 9 (1-6); 10 (1-6); 11 (1-6); 12 (1-6); 13 (1-6); 14 (1-4); 15 (1-4); 16 (1-4); 17 (1-4); 18 (1-4); 19 (supplement-1, 1-4); 20 (2); 21 (3-5); 22 (2, 5, 6)
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National Digital Preservation Program, China
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Preserved
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2025-10-23
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Preserved : 1 (1 to 6); 2 (1 to 4); 9 (1 to 6); 11 (1 to 6); 12 (1 to 6); 13 (1 to 6); 14 (1 to 4); 15 (1 to 4); 16 (1 to 4); 17 (1 to 4); 18 (1 to 4); 19 (1 to 4); 21 (1 to 6); 22 (1 to 6); 23 (1)
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National Digital Preservation Program, China
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Preserved
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2025-12-04
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Preserved : 1 (1 to 6); 2 (1 to 4); 9 (1 to 6); 11 (1 to 6); 12 (1 to 6); 13 (1 to 6); 14 (1 to 4); 15 (1 to 4); 16 (1 to 4); 17 (1 to 4); 18 (1 to 4); 19 (1 to 4); 21 (1 to 6); 22 (1 to 6); 23 (1)
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National Digital Preservation Program, China
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Preserved
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2025-10-23
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Preserved : 22 (5)
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National Digital Preservation Program, China
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Preserved
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2025-12-04
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Preserved : 22 (5)
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